package com.zhao.eduservice.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zhao.commonutils.R;
import com.zhao.eduservice.entity.EduTeacher;
import com.zhao.eduservice.entity.vo.TeacherQuery;
import com.zhao.eduservice.service.EduTeacherService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author xiaozhao
 * @since 2022-10-08
 */
@RestController
@RequestMapping("/eduservice/teacher")
@CrossOrigin
public class EduTeacherController {

    @Autowired
    private EduTeacherService eduTeacherService;

    // 查询讲师列表
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("list")
    public R list() {
        List<EduTeacher> list = eduTeacherService.list(null);
        return R.ok().data("items", list);
    }

    // 逻辑删除讲师
    @ApiOperation(value = "逻辑删除讲师")
    @DeleteMapping("{id}")
    public R delete(@ApiParam(name = "id", value = "讲师ID", required = true) @PathVariable("id") String id) {

        boolean flage = eduTeacherService.removeById(id);

        if (flage) {
            return R.ok();
        } else {
            return R.error();
        }
    }

    // 分页查询
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit) {

        Page<EduTeacher> page = new Page<>(current, limit);

        eduTeacherService.page(page, null);
        long total = page.getTotal();
        List<EduTeacher> records = page.getRecords();

        HashMap<String, Object> map = new HashMap<>();
        map.put("total", total);
        map.put("rows", records);
        return R.ok().data(map);
    }

    // 条件查询带分页
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current, @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery) {

        Page<EduTeacher> page = new Page<>(current,limit);
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();

        // 多条件组合查询
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();

        if (!StringUtils.isEmpty(name)) {
            wrapper.like("name", name);
        }
        if (!StringUtils.isEmpty(level)) {
            wrapper.eq("level", level);
        }
        if (!StringUtils.isEmpty(begin)) {
            wrapper.ge("gmt_create", begin);
        }
        if (!StringUtils.isEmpty(end)) {
            wrapper.le("gmt_modified", end);
        }

        // 降序排序
        wrapper.orderByDesc("gmt_create");

        eduTeacherService.page(page, wrapper);
        long total = page.getTotal();
        List<EduTeacher> records = page.getRecords();
        HashMap<String, Object> map = new HashMap<>();
        map.put("total", total);
        map.put("rows", records);
        return R.ok().data(map);

    }

    // 添加讲师
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = eduTeacherService.save(eduTeacher);
        if (flag){
            return R.ok();
        }else {
            return R.error();
        }
    }

    // 根据讲师ID查询
    @GetMapping("selectTeacher/{id}")
    public R selectTeacherById(@PathVariable("id") String id){
        EduTeacher teacher = eduTeacherService.getById(id);
        return R.ok().data("teacher",teacher);
    }

    // 修改讲师
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = eduTeacherService.updateById(eduTeacher);
        if (flag){
            return R.ok();
        }else {
            return R.error();
        }
    }
}

